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-rw-r--r--clang/lib/Basic/DiagnosticIDs.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Basic/DiagnosticIDs.cpp b/clang/lib/Basic/DiagnosticIDs.cpp
index 722d22aa384..1237fd5db19 100644
--- a/clang/lib/Basic/DiagnosticIDs.cpp
+++ b/clang/lib/Basic/DiagnosticIDs.cpp
@@ -628,6 +628,10 @@ bool DiagnosticIDs::ProcessDiag(DiagnosticsEngine &Diag) const {
if (isUnrecoverable(DiagID))
Diag.UnrecoverableErrorOccurred = true;
+ // Warnings which have been upgraded to errors do not prevent compilation.
+ if (isDefaultMappingAsError(DiagID))
+ Diag.UncompilableErrorOccurred = true;
+
Diag.ErrorOccurred = true;
if (Diag.Client->IncludeInDiagnosticCounts()) {
++Diag.NumErrors;
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